Patents by Inventor Puwen Zhang

Puwen Zhang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 6759408
    Abstract: This invention relates to cyclic combination therapies and regimens utilizing substituted indoline derivative compounds which are antagonists of the progesterone receptor having the general structure: wherein R1 and R2 may be single substituents or fused; R3 is H, OH, NH2, C1 to C6 alkyl, CORC, or optionally substituted C1 to C6 alkyl, C3 to C6 alkenyl, or alkynyl; RC is H, or optionally substituted C1 to C3 alkyl, aryl, C1 to C3 alkoxy, or C1 to C3 aminoalkyl; R4 is H, halogen, CN, NO2, or optionally substituted C1 to C6 alkyl, alkynyl, C1 to C6 alkoxy, amino, or C1 to C6 aminoalkyl; and R5 is a benzene ring, a five or six membered heterocyclic ring; or pharmaceutically acceptable salt thereof. Methods of treatment include contraception, secondary amenorrhea, dysfunctional bleeding, uterine leiomyomata, endometriosis, polycystic ovary syndrome, carcinomas, adenocarcinomas minimization of side effects, or food intake stimulation.
    Type: Grant
    Filed: May 9, 2002
    Date of Patent: July 6, 2004
    Assignees: Wyeth, Ligand Pharmaceuticals, Inc.
    Inventors: Gary S. Grubb, Puwen Zhang, Eugene A. Terefenko, Andrew Fensome, Jay E. Wrobel, Horace Fletcher, III, James P. Edwards, Todd K. Jones, Christopher M. Tegley, Lin Zhi
  • Patent number: 6713478
    Abstract: This invention provides compounds of Formula (I): wherein R1 and R2 are independent substituents or are fused to form spirocyclic rings; R3, RC, and R4 are as defined herein; and R5 is a substituted benzene ring or a substituted five or six membered heterocyclic ring having in its backbone 1, 2, or 3 heteroatoms including O, S, SO, SO2 or NR6; or pharmaceutically acceptable salt thereof, as well as pharmaceutical compositions and methods using the compounds as antagonists of the progesterone receptor.
    Type: Grant
    Filed: March 12, 2003
    Date of Patent: March 30, 2004
    Assignees: Wyeth, Ligand Pharmaceuticals, Inc.
    Inventors: Puwen Zhang, Eugene A. Terefenko, Andrew Fensome, Jay E. Wrobel, Horace Fletcher, III, Lin Zhi, Todd K. Jones, James P. Edwards, Christopher M. Tegley
  • Patent number: 6693103
    Abstract: This invention provides compounds which are agonists and antagonists of the progesterone receptor having the general structure: wherein: R1 and R2 are independently selected from H, CORA, or NRBCORA, or optionally substituted alkyl, alkenyl, alkynyl, cycloalkyl, aryl, or heterocyclic moieties; or R1 and R2 are fused to form: 3 to 8 membered spirocyclic alkyl, alkenyl or heterocyclic rings; RA is H or optionally substituted alkyl, aryl, alkoxy, or aminoalkyl groups; RB is H, C1 to C3 alkyl, or substituted C1 to C3 alkyl; R3 is H, OH, NH2, CORC or optionally substituted alkyl, alkenyl, or alkynyl; RC is H or optionally substituted alkyl, aryl, alkoxy, or aminoalkyl; R4 is H, halogen, CN, NO2, or optionally substituted alkyl alkynyl, alkoxy, amino or aminoalkyl; R5 is an optionally substituted benzene or five or six membered ring with 1, 2, or 3 heteroatoms selected from O, S, SO, SO2 or NR6; R6 is H or C1 to C3 alkyl; G1 is O, NR7, or CR7R8; G2 is CO, CS, or CR7R8; provided that when G1 is O
    Type: Grant
    Filed: December 17, 2001
    Date of Patent: February 17, 2004
    Assignees: Wyeth, Ligand Pharmaceuticals Inc.
    Inventors: Puwen Zhang, Andrew Fensome, Eugene A. Terefenko, Jay E. Wrobel, James P. Edwards, Todd K. Jones, Christopher M. Tegley, Lin Zhi
  • Publication number: 20040014798
    Abstract: The present invention provides methods of treating skin disorders includes delivering to a mammal a composition containing a compound of formula I, or tautomers thereof, in a regimen, wherein formula I is: 1
    Type: Application
    Filed: June 23, 2003
    Publication date: January 22, 2004
    Applicant: Wyeth
    Inventors: Andrew Fensome, Diane Deborah Harrison, Richard Craig Winneker, Puwen Zhang, Jeffrey Curtis Kern, Eugene Anthony Terefenko
  • Publication number: 20040006060
    Abstract: The present invention provides methods of inducing contraception which includes delivering to a female a composition containing a compound of formula I or formula II, or tautomers thereof, in a regimen which involves delivering one or more of a selective estrogen receptor modulator, wherein formula I is: 1
    Type: Application
    Filed: June 23, 2003
    Publication date: January 8, 2004
    Applicant: Wyeth
    Inventors: Andrew Fensome, Gary S. Grubb, Diane Deborah Harrison, Richard Craig Winneker, Puwen Zhang, Jeffrey Curtis Kern, Eugene Anthony Terefenko
  • Publication number: 20030225109
    Abstract: This invention relates to compounds which are agonists of the progesterone receptor which have the general structure: 1
    Type: Application
    Filed: April 22, 2003
    Publication date: December 4, 2003
    Applicants: Wyeth, Ligand Pharmaceuticals, Inc.
    Inventors: Andrew Fensome, Puwen Zhang, Marci C. Koko, Jay E. Wrobel, Edward G. Melenski, Lin Zhi, Todd K. Jones, Christopher M. Tegley, James P. Edwards
  • Publication number: 20030220388
    Abstract: This invention relates to substituted indoline derivative compounds which are antagonists of the progesterone receptor, their preparation and pharmaceutical utility, particularly including contraception and treatment of benign or malignant neoplastic diseases, having the general structure: 1
    Type: Application
    Filed: June 6, 2003
    Publication date: November 27, 2003
    Applicants: Wyeth, Ligand Pharmaceuticals, Inc.
    Inventors: Andrew Fensome, Lori L. Miller, John W. Ullrich, Reinhold H.W. Bender, Puwen Zhang, Jay E. Wrobel, Lin Zhi, Todd K. Jones, James P. Edwards, Christopher M. Tegley
  • Publication number: 20030216388
    Abstract: This invention provides compounds of Formula (I): 1
    Type: Application
    Filed: March 12, 2003
    Publication date: November 20, 2003
    Applicants: Wyeth, Ligand Pharmaceuticals, Inc.
    Inventors: Puwen Zhang, Eugene A. Terefenko, Andrew Fensome, Jay E. Wrobel, Horace Fletcher, Lin Zhi, Todd K. Jones, James P. Edwards, Christopher M. Tegley
  • Patent number: 6608068
    Abstract: This invention relates to substituted indoline derivative compounds which are antagonists of the progesterone receptor, their preparation and pharmaceutical utility, particularly including contraception and treatment of benign or malignant neoplastic diseases, having the general structure: wherein R1 and R2 may be single substituents or fused to form spirocyclic rings.
    Type: Grant
    Filed: December 11, 2001
    Date of Patent: August 19, 2003
    Assignees: Wyeth, Ligand Pharmaceuticals
    Inventors: Andrew Fensome, Lori L. Miller, John W. Ullrich, Reinhold H. W. Bender, Puwen Zhang, Jay E. Wrobel, Lin Zhi, Todd K. Jones, James P. Edwards, Christopher M. Tegley
  • Patent number: 6583145
    Abstract: This invention relates to compounds which are agonists of the progesterone receptor which have the general structure: wherein: R1, R2, R3, R4, R5 and Q1 are as defined herein, or a pharmaceutically acceptable salt thereof, as well as methods of using these compounds to induce contraception or treat progesterone-related carcinomas and adenocarcinomas.
    Type: Grant
    Filed: September 24, 2002
    Date of Patent: June 24, 2003
    Assignees: Wyeth, Ligand Pharmaceuticals
    Inventors: Andrew Fensome, Puwen Zhang, Marci C. Koko, Lin Zhi, Todd K. Jones, Jay E. Wrobel, Christopher M. Tegley, James P. Edwards, Edward G. Melenski
  • Patent number: 6566358
    Abstract: This invention provides compounds of Formula (I): wherein R1 and R2 may be single substituents or fused to form spirocyclic or hetero-spirocyclic rings; R3 is H, OH, NH2, C1 to C6 alkyl, substituted C1 to C6 alkyl, C3 to C6 alkenyl, substituted C1 to C6 alkenyl, alkynyl, or substituted alkynyl, CORC; RC is H, C1 to C3 alkyl, substituted C1 to C3 alkyl, aryl, substituted aryl, C1 to C3 alkoxy, substituted C1 to C3 alkoxy, C1 to C3 aminoalkyl, or substituted C1 to C3 aminoalkyl; R4 is H, halogen, CN, NO2, C1 to C6 alkyl, substituted C1 to C6 alkyl, alkynyl, or substituted alkynyl, C1 to C6 alkoxy, substituted C1 to C6 alkoxy, amino, C1 to C6 aminoalkyl, or substituted C1 to C6 aminoalkyl; and R5 is selected from a trisubstituted benzene ring of a five or six membered ring with 1, 2, or 3 heteroatoms from the group including O, S, SO, SO2 or NR6 and containing one or two independent substituents from the group including H, halogen, CN, NO2, amino, and C1 to C3 alky, C1 to C3 alkoxy, C1 to C3 a
    Type: Grant
    Filed: September 6, 2001
    Date of Patent: May 20, 2003
    Assignees: Wyeth, Ligand Pharmaceuticals, Inc.
    Inventors: Puwen Zhang, Eugene A. Terefenko, Andrew Fensome, Jay E. Wrobel, Horace Fletcher, III, Lin Zhi, Todd K. Jones, James P. Edwards, Christopher M. Tegley
  • Publication number: 20030092711
    Abstract: Methods of using compounds which are progesterone receptor agonists for contraception and the treatment of progesterone-related maladies alone or in combination with an estrogen receptor agonist or progesterone receptor antagonist are provided.
    Type: Application
    Filed: May 6, 2002
    Publication date: May 15, 2003
    Inventors: Puwen Zhang, Andrew Fensome, Eugene A. Terefenko, Lin Zhi, Todd K. Jones, James P. Edwards, Christopher M. Tegley, Jay E. Wrobel, Mark A. Collins
  • Patent number: 6544970
    Abstract: This invention relates to cyclic combination therapies and regimens utilizing substituted indoline derivative compounds which are antagonists of the progesterone receptor having the general structure: wherein R1 and R2 may be single substituents or fused to form spirocyclic rings, in combination with progestins, estrogens, or both. These methods of treatment may be used for contraception, for the treatment and/or prevention of secondary amenorrhea, dysfunctional bleeding, uterine leiomyomata, endometriosis, polycystic ovary syndrome, carcinomas and adenocarcinomas of the endometrium, ovary, breast, colon, or prostate, minimization of side effects, cyclic menstrual bleeding, or stimulation of food intake.
    Type: Grant
    Filed: May 22, 2002
    Date of Patent: April 8, 2003
    Assignees: WYETH, Ligand Pharmaceuticals, Inc.
    Inventors: Gary S. Grubb, Andrew Fensome, Lori L. Miller, John W. Ullrich, Reinhold H. W. Bender, Puwen Zhang, Jay E. Wrobel, James P. Edwards, Todd K. Jones, Christopher M. Tegley, Lin Zhi
  • Publication number: 20030050288
    Abstract: This invention relates to cyclic combination therapies and regimens utilizing substituted indoline derivative compounds which are antagonists of the progesterone receptor having the general structure: 1
    Type: Application
    Filed: May 22, 2002
    Publication date: March 13, 2003
    Applicant: WYETH
    Inventors: Gary S. Grubb, Andrew Fensome, Lori L. Miller, John W. Ullrich, Reinhold H.W. Bender, Puwen Zhang, Jay E. Wrobel, James P. Edwards, Todd K. Jones, Christopher M. Tegley, Lin Zhi
  • Publication number: 20030045511
    Abstract: This invention relates to cyclic combination therapies and regimens utilizing substituted indoline derivative compounds which are antagonists of the progesterone receptor having the general structure: 1
    Type: Application
    Filed: May 9, 2002
    Publication date: March 6, 2003
    Applicant: WYETH
    Inventors: Gary S. Grubb, Puwen Zhang, Eugene A. Terefenko, Andrew Fensome, Jay E. Wrobel, Horace Fletcher, James P. Edwards, Todd K. Jones, Christopher M. Tegley, Lin Zhi
  • Patent number: 6521657
    Abstract: This invention relates to compounds which are agonists of the progesterone receptor which have the general structure: wherein: R1, R2, R3, R4, R5 and Q1 are as defined herein, or a pharmaceutically acceptable salt thereof, as well as methods of using these compounds to induce contraception or treat progesterone-related carcinomas and adenocarcinomas.
    Type: Grant
    Filed: October 30, 2001
    Date of Patent: February 18, 2003
    Assignees: Wyeth, Ligand Pharmaceuticals, Inc.
    Inventors: Andrew Fensome, Puwen Zhang, Marci C. Koko, Lin Zhi, Todd K. Jones, Jay E. Wrobel, Christopher M. Tegley, James P. Edwards, Edward G. Melenski
  • Patent number: 6509334
    Abstract: This invention provides compounds of Formula (I): wherein R1 and R2 may be single substituents or fused to form spirocyclic or hetero-spirocyclic rings; R3 is H, OH, NH2, C1 to C6 alkyl, substituted C1 to C6 alkyl, C3 to C6 alkenyl, substituted C1 to C6 alkenyl, alkynyl, or substituted alkynyl, CORC; RC is H, C1 to C3 alkyl, substituted C1 to C3 alkyl, aryl, substituted aryl, C1 to C3 alkoxy, substituted C1 to C3 alkoxy, C1 to C3 aminoalkyl, or substituted C1 to C3 aminoalkyl; R4 is H, halogen, CN, NO2, C1 to C6 alkyl, substituted C1 to C6 alkyl, alkynyl, or substituted alkynyl, C1 to C6 alkoxy, substituted C1 to C6 alkoxy, amino, C1 to C6 aminoalkyl, or substituted C1 to C6 aminoalkyl; and R5 is selected from a trisubstituted benzene ring of a five or six membered ring with 1, 2, or 3 heteroatoms from the group including O, S, SO, SO2 or NR6 and containing one or two independent substituents from the group including H, halogen, CN, N02, amino, and C1 to C3 alkyl, C1 to C3 alkoxy, C1 to C3 a
    Type: Grant
    Filed: April 19, 2000
    Date of Patent: January 21, 2003
    Assignees: American Home Products Corporation, Ligand Pharmaceuticals, Inc.
    Inventors: Puwen Zhang, Eugene A. Terefenko, Andrew Fensome, Jay E. Wrobel, Horace Fletcher, III, Lin Zhi, Todd K. Jones, James P. Edwards, Christopher M. Tegley
  • Patent number: 6498154
    Abstract: This invention relates to cyclic combination therapies utilizing, in combination with progestins, estrogens, or both, compounds which are progesterone receptor antagonists of the general structure: wherein: R1 and R2 are H, CORA, or NRBCORA, alkyl, alkenyl, alkynyl, cycloalkyl, aryl, or heterocyclic; or R1 and R2 fuse to form 3 to 8 membered spirocyclic alkyl, alkenyl or heterocyclic rings; RA is H or optionally substituted alkyl, aryl, alkoxy, or aminoalkyl groups; RB is H or alkyl; R3 is H, OH, NH2, CORC or alkyl, alkenyl, or alkynyl; RC is H, alkyl, aryl, alkoxy, or aminoalkyl; R4 is H, halogen, CN, NO2, alkyl, alkynyl, alkoxy, amino or aminoalkyl; R5 is benzene or 5- or 6-membered heterocyclic ring; R6 is H or alkyl; G1 is O, NR7, or CR7R8; G2 is CO or CR7R8; provided that when G1 is O, G2 is CR7R8, and G1 and G2 cannot both be CR7R8; R7 and R8 are H or an optionally substituted alkyl, aryl, or heterocyclic moiety; or pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: April 19, 2000
    Date of Patent: December 24, 2002
    Assignees: Wyeth, Ligand Pharmaceuticals, Inc.
    Inventors: Gary S. Grubb, Lin Zhi, Todd K. Jones, Puwen Zhang, James P. Edwards, Andrew Fensome, Eugene A. Terefenko, Jay E. Wrobel, Christopher M. Tegley
  • Publication number: 20020169198
    Abstract: This invention relates to methods of co-administering compounds of formula 1 which are agonists of the progesterone receptor which have the general structure: 1
    Type: Application
    Filed: April 5, 2002
    Publication date: November 14, 2002
    Applicant: WYETH
    Inventors: Andrew Fensome, Puwen Zhang, Marci C. Koko, Lin Zhi, Todd K. Jones, Jay E. Wrobel, Christopher M. Tegley, James P. Edwards, Edward G. Melenski
  • Publication number: 20020151531
    Abstract: This invention relates to cyclic combination therapies and regimens utilizing indoline compounds which are antagonists of the progesterone receptor and having the general structure: 1
    Type: Application
    Filed: March 1, 2002
    Publication date: October 17, 2002
    Inventors: Gary S. Grubb, Puwen Zhang, Reinhold R.W. Bender, Jay E. Wrobel, James P. Edwards, Todd K. Jones, Christopher M. Tegley, Lin Zhi